def drawBackground(self, painter: QPainter, rect: QRectF):
currentColor = self.backgroundBrush().color()
if currentColor != self.backgroundColor:
self.setBackgroundBrush(QBrush(self.backgroundColor))
super().drawBackground(painter, rect)
if self._zoom <= self.gridZoomThreshold or not self.showGrid:
return
painter.setPen(QPen(self.gridColor, self.gridThickness))
lines = []
if self.gridSpacing.width() > 0:
xStart = rect.left() - rect.left() % self.gridSpacing.width()
while xStart <= rect.right():
line = QLineF(xStart, rect.bottom(), xStart, rect.top())
lines.append(line)
xStart = xStart + self.gridSpacing.width()
if self.gridSpacing.height() > 0:
yStart = rect.top() - rect.top() % self.gridSpacing.height()
while yStart <= rect.bottom():
line = QLineF(rect.left(), yStart, rect.right(), yStart)
lines.append(line)
yStart = yStart + self.gridSpacing.height()
painter.drawLines(lines)
def ScalePicture(self):
rect = QRectF(self.graphicsItem.pos(), QSizeF(
self.pixMap.size()))
unity = self.graphicsView.transform().mapRect(QRectF(0, 0, 1, 1))
width = unity.width()
height = unity.height()
if width <= 0 or height <= 0:
return
self.graphicsView.scale(1 / width, 1 / height)
viewRect = self.graphicsView.viewport().rect()
sceneRect = self.graphicsView.transform().mapRect(rect)
if sceneRect.width() <= 0 or sceneRect.height() <= 0:
return
x_ratio = viewRect.width() / sceneRect.width()
y_ratio = viewRect.height() / sceneRect.height()
x_ratio = y_ratio = min(x_ratio, y_ratio)
self.graphicsView.scale(x_ratio, y_ratio)
# if self.readImg.isStripModel:
# height2 = self.pixMap.size().height() / 2
# height3 = self.graphicsView.size().height()/2
# height3 = height3/x_ratio
# p = self.graphicsItem.pos()
# self.graphicsItem.setPos(p.x(), p.y()+height2-height3)
self.graphicsView.centerOn(rect.center())
for _ in range(abs(self.scaleCnt)):
if self.scaleCnt > 0:
self.graphicsView.scale(1.1, 1.1)
else:
self.graphicsView.scale(1/1.1, 1/1.1)
def export(self, filename=None, add_margin=False):
pw = QPdfWriter(filename)
dpi = int(QApplication.primaryScreen().logicalDotsPerInch())
pw.setResolution(dpi)
pw.setPageMargins(QMarginsF(0, 0, 0, 0))
size = QPageSize(self.getTargetRect().size())
pw.setPageSize(size)
painter = QPainter(pw)
try:
self.setExportMode(
True, {
'antialias': True,
'background': self.background,
'painter': painter
})
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.LosslessImageRendering, True)
source_rect = self.getSourceRect()
if add_margin:
source_rect.setWidth(source_rect.width() + 25)
self.getScene().render(painter, QRectF(self.getTargetRect()),
QRectF(source_rect))
finally:
self.setExportMode(False)
painter.end()
def Recenter(self):
itemsRect = QRectF()
for item in self._sceneItems:
itemsRect = itemsRect.united(item.GraphicsObject().boundingRect().translated(item.GraphicsObject().pos()))
self._offset = itemsRect.center()
self.UpdateView()
def setText(self, text):
self._text = text
metrics = QFontMetrics(self._font)
self._textRect = QRectF(metrics.boundingRect(
QRect(0.0, 0.0, 150.0, 150.0),Qt.AlignLeft, self._text))
self._textRect.translate(5, 5)
self.prepareGeometryChange()
self._rect = self._textRect.adjusted(-5, -5, 5, 5)
def __init__(self, chart):
QGraphicsItem.__init__(self, chart)
self._chart = chart
self._text = ""
self._textRect = QRectF()
self._anchor = QPointF()
self._font = QFont()
self._rect = QRectF()
def boundingRect(self):
anchor = self.mapFromParent(self._chart.mapToPosition(self._anchor))
rect = QRectF()
rect.setLeft(min(self._rect.left(), anchor.x()))
rect.setRight(max(self._rect.right(), anchor.x()))
rect.setTop(min(self._rect.top(), anchor.y()))
rect.setBottom(max(self._rect.bottom(), anchor.y()))
return rect
def _other_areas_at_position(self, qt_local_position: QPointF):
result = []
for area in self.world.areas:
if "total_boundings" not in area.extra or area == self.area:
continue
bounds = BoundsFloat.from_bounds(area.extra["total_boundings"])
tl = self.game_loc_to_qt_local([bounds.min_x, bounds.min_y])
br = self.game_loc_to_qt_local([bounds.max_x, bounds.max_y])
rect = QRectF(tl, br)
if rect.contains(qt_local_position):
result.append(area)
return result
def paintEvent(self, event: QPaintEvent):
outerRadius = min(self.width(), self.height())
baseRect = QRectF(1, 1, outerRadius - 2, outerRadius - 2)
buffer = QImage(outerRadius, outerRadius,
QImage.Format_ARGB32_Premultiplied)
p = QPainter(buffer)
p.setRenderHint(QPainter.Antialiasing)
self.rebuildDataBrushIfNeeded()
self.drawBackground(p, buffer.rect())
self.drawBase(p, baseRect)
if self.m_value > 0:
delta = (self.m_max - self.m_min) / (self.m_value - self.m_min)
else:
delta = 0
self.drawValue(p, baseRect, self.m_value, delta)
innerRect, innerRadius = self.calculateInnerRect(outerRadius)
self.drawInnerBackground(p, innerRect)
self.drawText(p, innerRect, innerRadius, self.m_value)
p.end()
painter = QPainter(self)
painter.fillRect(baseRect, self.palette().window())
painter.drawImage(0, 0, buffer)
def __init__(self, pos=(0, 0), parent=None):
super().__init__(parent=parent)
self.wx_main = NodeInternal()
self.setWidget(self.wx_main)
self.setGeometry(QRectF(0, 0, 150, 100))
self.setPos(pos[0], pos[1])
def UpdateView(self):
matrix = QTransform()
matrix.scale(2 ** self._zoom, 2 ** self._zoom)
self.setTransform(matrix)
self.setSceneRect(QRectF(self._offset.x(), self._offset.y(), 10, 10))
self.UpdateSelectionBox()
self.UpdateHoveredItems()
def update_legend_layout(self):
legend = self.chart.legend()
rect = QRectF(self.legend_posx.value(), self.legend_posy.value(),
self.legend_width.value(), self.legend_height.value())
legend.setGeometry(rect)
legend.update()
def calculateInnerRect(self, outerRadius: float):
if self.m_barStyle in (self.BarStyle.LINE, self.BarStyle.EXPAND):
innerRadius = outerRadius - self.m_outlinePenWidth
else:
innerRadius = outerRadius * 0.75
delta = (outerRadius - innerRadius) / 2
innerRect = QRectF(delta, delta, innerRadius, innerRadius)
return innerRect, innerRadius
def input_to_rect_item(self, input_stream: QDataStream,
item: QGraphicsRectItem):
self.input_to_shape_item(input_stream, item)
# Type
rect = QRectF()
# Read
input_stream >> rect
# Set
item.setRect(rect)
def cell_rects(self):
rect = self.rect()
cell_width = rect.width() / self.column_count
cell_height = rect.height() / self.row_count
for row in range(self.row_count):
y = rect.top() + rect.height() * row / self.row_count
for column in range(self.column_count):
x = rect.left() + rect.width() * column / self.column_count
yield QRectF(x, y, cell_width, cell_height)
def resizeEvent(self, event):
if self.scene():
self.scene().setSceneRect(QRectF(QPointF(0, 0), event.size()))
self._chart.resize(event.size())
self._coordX.setPos(self._chart.size().width() / 2 - 50,
self._chart.size().height() - 20)
self._coordY.setPos(self._chart.size().width() / 2 + 50,
self._chart.size().height() - 20)
for callout in self._callouts:
callout.updateGeometry()
QGraphicsView.resizeEvent(self, event)
def calculate_center_square(self, img_rect) -> QRectF:
a = self.QR_SIZE * min(img_rect.height(),
img_rect.width()) # Size of square side
x = (img_rect.width() -
a) / 2 # Position of the square inside rectangle
y = (img_rect.height() - a) / 2
if type(img_rect
) != QImage: # if we have a bounding rectangle, not an image
x += img_rect.left(
) # then we need to shift our square inside this rectangle
y += img_rect.top()
return QRectF(x, y, a, a)
def _ShowImg(self, data):
self.scaleCnt = 0
self.pixMap = QPixmap()
self.pixMap.loadFromData(data)
self.show()
self.graphicsItem.setPixmap(self.pixMap)
self.graphicsView.setSceneRect(QRectF(QPointF(0, 0), QPointF(self.pixMap.width(), self.pixMap.height())))
size = ToolUtil.GetDownloadSize(len(data))
self.sizeLabel.setText(size)
weight, height = ToolUtil.GetPictureSize(data)
self.resolutionLabel.setText(str(weight) + "x" + str(height))
self.ScalePicture()
def __init__(self, scene: QGraphicsScene, parent: QMainWindow):
QGraphicsView.__init__(self, scene, parent)
self.crop_rect = QRect(QPoint(0, 0), QSize(0, 0))
self.g_rect = QGraphicsRectItem(QRectF(self.crop_rect))
self.setParent(parent)
self.app = self.parent()
self.crop_btn = self.parent().crop_button
self.mouse_down = False
self.g_rect.setPen(QPen(Qt.red, 1, Qt.SolidLine))
self.g_rect.setBrush(QBrush(Qt.red, Qt.Dense6Pattern))
self.mouse_pos = QPoint(0, 0)
self.adjustment = ''
self.annotation = False
def zoom(self, factor):
"""缩放
:param factor: 缩放的比例因子
"""
_factor = self.graphicsView.transform().scale(
factor, factor).mapRect(QRectF(0, 0, 1, 1)).width()
if _factor < 0.07 or _factor > 100:
# 防止过大过小
return
if factor >= 1:
self.scaleCnt += 1
else:
self.scaleCnt -= 1
self.graphicsView.scale(factor, factor)
def CreateSelectionRect(self) -> QRectF:
cursorScene = self.mapToScene(self._currentCursorPosition.toPoint())
if self._state is State.SELECTING:
selectionRect = QRectF(0, 0, abs(self._boxSelectionRectAnchor.x() - cursorScene.x()),
abs(self._boxSelectionRectAnchor.y() - cursorScene.y()))
selectionRect.moveCenter((cursorScene + self._boxSelectionRectAnchor) / 2.0)
else:
selectionRect = QRectF(cursorScene, QSizeF())
return selectionRect
def reset(self):
self.crop_rect = QRect(QPoint(0, 0), QSize(0, 0))
self.g_rect = QGraphicsRectItem(QRectF(self.crop_rect))
self.g_rect.setPen(QPen(Qt.red, 1, Qt.SolidLine))
self.g_rect.setBrush(QBrush(Qt.red, Qt.Dense6Pattern))
self.setMouseTracking(False)
self.unsetCursor()
self.mouse_pos = QPoint(0, 0)
self.adjustment = ''
self.mouse_down = False
if self.crop_btn.isChecked():
self.app.reload()
self.setCursor(Qt.CrossCursor)
if self.annotation:
self.setCursor(Qt.CrossCursor)
def paintEvent(self, event):
super(MouseEventMixin, self).paintEvent(event)
if not self.__image:
return
if self.__image.height() == 0 or self.height(
) == 0 or self.__image.width() == 0:
return
image_aspect_ratio = self.__image.width() / self.__image.height()
view_aspect_ratio = self.width() / self.height()
if view_aspect_ratio <= image_aspect_ratio:
image_height = self.width() / image_aspect_ratio
rect = QRectF(0, (self.height() - image_height) / 2, self.width(),
image_height)
else:
image_widh = self.height() * image_aspect_ratio
rect = QRectF((self.width() - image_widh) / 2, 0, image_widh,
self.height())
painter = QPainter(self.viewport())
painter.drawImage(rect, self.__image)
painter.end()
def __init__(self):
# Sidebar icons are 28x28 points. Should be at least 56x56 pixels for
# HiDPI display compatibility. They will be automatically made theme
# aware, so you need only provide a grayscale image, where white is
# the color of the shape.
icon = QImage(56, 56, QImage.Format_RGB32)
icon.fill(0)
# Render an "H" as the example icon
p = QPainter()
p.begin(icon)
p.setFont(QFont("Open Sans", 56))
p.setPen(QColor(255, 255, 255, 255))
p.drawText(QRectF(0, 0, 56, 56), Qt.AlignCenter, "H")
p.end()
SidebarWidgetType.__init__(self, icon, "Hello")
def paintEvent(self, event):
super(QtBubbleLabel, self).paintEvent(event)
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing) # 抗锯齿
rectPath = QPainterPath() # 圆角矩形
height = self.height() - 8 # 往上偏移8
rectPath.addRoundedRect(QRectF(0, 0, self.width(), height), 5, 5)
x = self.width() / 5 * 4
# 边框画笔
painter.setPen(
QPen(self.BorderColor, 1, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
# 背景画刷
painter.setBrush(self.BackgroundColor)
# 绘制形状
painter.drawPath(rectPath)
def drawText(self, p: QPainter, innerRect: QRectF, innerRadius: float,
value: float):
if not self.m_format:
return
f = QFont(self.font())
f.setPixelSize(10)
fm = QFontMetricsF(f)
maxWidth = fm.width(self.valueToText(self.m_max))
delta = innerRadius / maxWidth
fontSize = f.pixelSize() * delta * 0.75
f.setPixelSize(int(fontSize))
p.setFont(f)
textRect = QRectF(innerRect)
p.setPen(self.palette().text().color())
p.drawText(textRect, Qt.AlignCenter, self.valueToText(value))
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing, self.antialiased)
painter.translate(self.width() / 2, self.height() / 2)
for diameter in range(0, 256, 9):
delta = abs((self.frameNo % 128) - diameter / 2)
alpha = 255 - (delta * delta) / 4 - diameter
if alpha > 0:
painter.setPen(QPen(QColor(0, diameter / 2, 127, alpha), 3))
if self.floatBased:
painter.drawEllipse(
QRectF(-diameter / 2.0, -diameter / 2.0, diameter,
diameter))
else:
painter.drawEllipse(
QRect(-diameter / 2, -diameter / 2, diameter,
diameter))
def __init__(self):
super().__init__()
scene = QGraphicsScene()
self.setScene(scene)
self.setRenderHint(QPainter.Antialiasing)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setMouseTracking(True)
self._offset = QPointF(0, 0)
self._zoom = 0
self.backgroundColor = QColor(40, 40, 40)
self.gridSpacing = QSizeF(60, 60)
self.gridThickness = 1
self.gridColor = QColor(100, 100, 100)
self.gridZoomThreshold = -1.5
self.showGrid = True
self.selectionBoxStrokeColor = QColor(52, 222, 235)
self.selectionBoxFillColor = QColor(52, 222, 235, 50)
self.selectionBoxThickness = 2
self._editing = True
self._hoveredItems: List[ChipItem] = []
self._selectedItems: List[ChipItem] = []
self._sceneItems: Set[ChipItem] = set()
self._boxSelectionRectAnchor = QPointF()
self._currentCursorPosition = QPointF()
self.selectionBox = self.scene().addRect(QRectF(),
QPen(self.selectionBoxStrokeColor, self.selectionBoxThickness),
QBrush(self.selectionBoxFillColor))
self.selectionBox.setVisible(False)
self._state = State.IDLE
self.UpdateView()
def drawBase(self, p: QPainter, baseRect: QRectF):
if self.m_barStyle == self.BarStyle.DONUT:
p.setPen(
QPen(self.palette().shadow().color(), self.m_outlinePenWidth))
p.setBrush(self.palette().base())
p.drawEllipse(baseRect)
elif self.m_barStyle == self.BarStyle.LINE:
p.setPen(
QPen(self.palette().base().color(), self.m_outlinePenWidth))
p.setBrush(Qt.NoBrush)
p.drawEllipse(
baseRect.adjusted(self.m_outlinePenWidth / 2,
self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2))
elif self.m_barStyle in (self.BarStyle.PIE, self.BarStyle.EXPAND):
p.setPen(
QPen(self.palette().base().color(), self.m_outlinePenWidth))
p.setBrush(self.palette().base())
p.drawEllipse(baseRect)
def drawValue(self, p: QPainter, baseRect: QRectF, value: float,
delta: float):
if value == self.m_min:
return
if self.m_barStyle == self.BarStyle.EXPAND:
p.setBrush(self.palette().highlight())
p.setPen(QPen(self.palette().shadow().color(),
self.m_dataPenWidth))
radius = (baseRect.height() / 2) / delta
p.drawEllipse(baseRect.center(), radius, radius)
return
elif self.m_barStyle == self.BarStyle.LINE:
p.setPen(
QPen(self.palette().highlight().color(), self.m_dataPenWidth))
p.setBrush(Qt.NoBrush)
if value == self.m_max:
p.drawEllipse(
baseRect.adjusted(self.m_outlinePenWidth / 2,
self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2))
else:
arcLength = 360 / delta
p.drawArc(
baseRect.adjusted(self.m_outlinePenWidth / 2,
self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2,
-self.m_outlinePenWidth / 2),
int(self.m_nullPosition * 16), int(-arcLength * 16))
return
dataPath = QPainterPath()
dataPath.setFillRule(Qt.WindingFill)
if value == self.m_max:
dataPath.addEllipse(baseRect)
else:
arcLength = 360 / delta
dataPath.moveTo(baseRect.center())
dataPath.arcTo(baseRect, self.m_nullPosition, -arcLength)
dataPath.lineTo(baseRect.center())
p.setBrush(self.palette().highlight())
p.setPen(QPen(self.palette().shadow().color(), self.m_dataPenWidth))
p.drawPath(dataPath)